Modeling Nanoparticle Dispersion in Electrospun Nanofibers

Christopher Balzer, Mitchell Armstrong, Bohan Shan, Yingjie Huang, Jichang Liu, Bin Mu

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The quality of nanoparticle dispersion in a polymer matrix significantly influences the macroscopic properties of the composite material. Like general polymer-nanoparticle composites, electrospun nanofiber nanoparticle composites do not have an adopted quantitative model for dispersion throughout the polymer matrix, often relying on a qualitative assessment. Being such an influential property, quantifying dispersion is essential for the process of optimization and understanding the factors influencing dispersion. Here, a simulation model was developed to quantify the effects of nanoparticle volume loading (φ) and fiber-to-particle diameter ratios (D/d) on the dispersion in an electrospun nanofiber based on the interparticle distance. A dispersion factor is defined to quantify the dispersion along the polymer fiber. In the dilute regime (φ < 20%), three distinct regions of the dispersion factor were defined with the highest quality dispersion shown to occur when geometric constraints limit fiber volume accessibility. This model serves as a standard for comparison for future experimental studies and dispersion models through its comparability with microscopy techniques and as a way to quantify and predict dispersion in electrospinning polymer-nanoparticle systems with a single performance metric.

Original languageEnglish (US)
Pages (from-to)1340-1346
Number of pages7
JournalLangmuir
Volume34
Issue number4
DOIs
StatePublished - Jan 30 2018

Fingerprint

Nanofibers
Nanoparticles
nanoparticles
polymers
Polymers
Polymer matrix
composite materials
fibers
Fibers
Composite materials
Electrospinning
matrices
Microscopic examination
microscopy
optimization

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

Cite this

Balzer, C., Armstrong, M., Shan, B., Huang, Y., Liu, J., & Mu, B. (2018). Modeling Nanoparticle Dispersion in Electrospun Nanofibers. Langmuir, 34(4), 1340-1346. https://doi.org/10.1021/acs.langmuir.7b03726

Modeling Nanoparticle Dispersion in Electrospun Nanofibers. / Balzer, Christopher; Armstrong, Mitchell; Shan, Bohan; Huang, Yingjie; Liu, Jichang; Mu, Bin.

In: Langmuir, Vol. 34, No. 4, 30.01.2018, p. 1340-1346.

Research output: Contribution to journalArticle

Balzer, C, Armstrong, M, Shan, B, Huang, Y, Liu, J & Mu, B 2018, 'Modeling Nanoparticle Dispersion in Electrospun Nanofibers', Langmuir, vol. 34, no. 4, pp. 1340-1346. https://doi.org/10.1021/acs.langmuir.7b03726
Balzer C, Armstrong M, Shan B, Huang Y, Liu J, Mu B. Modeling Nanoparticle Dispersion in Electrospun Nanofibers. Langmuir. 2018 Jan 30;34(4):1340-1346. https://doi.org/10.1021/acs.langmuir.7b03726
Balzer, Christopher ; Armstrong, Mitchell ; Shan, Bohan ; Huang, Yingjie ; Liu, Jichang ; Mu, Bin. / Modeling Nanoparticle Dispersion in Electrospun Nanofibers. In: Langmuir. 2018 ; Vol. 34, No. 4. pp. 1340-1346.
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